baber/WOPTO huggingface dataset:
Patent JP-2004195468-A (JP)
Title: Method and device for rolling metallic base stock
Inventor: OZAWA AKIRA
IPC: B21B23/00
Filed: 2002-12-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rolling method and a rolling device by which the miniaturization of the device and the problem of noise are dissolved, not only rolling from the large diameter to the small diameter is enabled, but various rolling operations are performed.  <P>SOLUTION: This method is a rolling method for manufacturing bars for tubular or solid bar having different diameters by rolling a metallic tube stock or a solid bar stock. This device is constituted of three or more rolls having the maximum diameter part in the intermediate part in the axial direction and the minimum diameter parts on the sides of the top end in the axial direction and or the rear end part and each rolling roll of this roll assembly is arranged at equal angular intervals each other to the metallic base stock in the circumferential direction and on parallel planes on which the center axis WA of the metallic base stock and the center axis RA of each rolling roll are mutually parallel, each distance d between the rolls is set to an equal value each other and also the center axis RA is crossed with the center axis WA of the metallic stock at a crossing angle of ≤ 45° on the parallel plane. Each rolling roll is mutually rotated at the equal angular velocity R in the same direction and rolling is performed while feeding the metallic base stock to the rolling region formed by the roll assembly.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004197152-A (JP)
Title: Plating method and tool for plating used for the method
Inventor: KISHIMOTO KAZUYUKI
IPC: C25D17/08
Filed: 2002-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a plating method by which a uniform plating film can be formed on a member to be plated by preventing maleffect, such as warping, to the member to be plated.  <P>SOLUTION: In a method for applying the plating to a doctor blades 1, 2 by dipping the doctor blades 1, 2 into a plating solution and supplying electricity to the doctor blades 1, 2, both one pair of doctor blades 1, 2 are facedly disposed and cathodes are connected to one pair of doctor blades 1, 2, respectively, and positive electrode 3 is disposed at the position of almost the equal distance from one pair of doctor blades 1, 2, and the interval between both one pair of doctor blades, is adjusted according to current density during plating treatment.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004200440-A (JP)
Title: Substrate holding system
Inventor: KADOTA KOTARO
IPC: H01L21/683
Filed: 2002-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a substrate holding system which supplies a vacuum to hold a semiconductor wafer even if a power supply of a vacuum pump is suddenly broken down, and never complicates and increases a size of the entire equipment.  <P>SOLUTION: The substrate holding system comprises a substrate holding mechanism 402, 404, and 406 for holding a substrate by vacuum suction, vacuum pump 100 for supplying a vacuum to the substrate holding mechanism 402, 404, and 406, power supply for supplying driving power of the vacuum pump 100, vacuum ejector 200 for generating a vacuum from the air supplied from outside, and vacuum source switching means 300 and 302 which switches a vacuum source for supplying a vacuum to the substrate holding mechanism 402, 404, and 406 between the vacuum pump 100 and the vacuum ejector 200, with the vacuum pump 100 selected when the output of the power supply is normal, and the vacuum ejector 200 selected when there is something wrong with the output of the power supply.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004198812-A (JP)
Title: Radiation-sensitive resin composition
Inventor: MITAO TOKUYUKI
IPC: G03F7/004
Filed: 2002-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a radiation-sensitive resin composition which suppresses the changes in sensitivity with time during storage and which can form a resist pattern having a preferable cross-sectional profile, excellent adhesion property with a substrate and being easily dissolved and stripped with a stripping liquid.  <P>SOLUTION: The radiation-sensitive resin composition contains: (A) an alkali-soluble resin containing at least a resin obtained by polymerization of a carbonyl group-containing compound, amines, and if necessary, phenols; (B) a photosensitive agent; (C) an antioxidant; and (D) a solvent.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003298067-A (JP)
Title: Transistor and display device using it
Inventor: MIZUSAKI MASANOBU
IPC: H01L51/00
Filed: 2002-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To improve the characteristics and/or reliability of a transistor using a conductive polymer and, to provide a display device using the transistor.  <P>SOLUTION: The transistor is provided with a first electrode 3, a second electrode 4, and a semiconductor layer 6 provided between the first and second electrodes 3 and 4. The transistor is also provided with a third electrode 2 which impresses an electric field upon the semiconductor layer 6. The layer 6 contains a polymer enclosure complex in which a conductive guest polymer is enclosed in host molecules.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004200595-A (JP)
Title: Mis transistor and manufacturing method therefor
Inventor: KINOSHITA ATSUHIRO
IPC: H01L21/265
Filed: 2002-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a P-type MIS transistor which basically suppresses NBT deterioration, and a manufacturing method therefor.  <P>SOLUTION: A P-type MIS transistor 100 is provided with: a semiconductor wafer 10; a gate insulating film 40 formed on a surface of the semiconductor wafer 10; a gate electrode 60 formed on the gate insulating film 40; and a source diffusion layer 31 and a drain diffusion layer 32 containing boron and provided on the surface of the semiconductor wafer 10 to hold a channel region 80 under the gate electrode 60 therebetween. An activated boron concentration and a total boron concentration near the interface between the gate insulating film 60 and the semiconductor wafer 10 are approximately equal near a terminal of the source diffusion layer 31 on the side of the channel region 80 or near a terminal of the drain diffusion layer 32 on the side of the channel region 80.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004204489-A (JP)
Title: Joint structure of plate glass
Inventor: KAI SHINICHIRO
IPC: E04B1/684
Filed: 2002-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To prevent a joint material filled into a second joint part from being broken when plate glass and a glass rib are relatively displaced so as to leave from each other in the orthogonal direction relative to the plate face of the plate glass.  <P>SOLUTION: In this joint structure of the plate glass, the joint material 4 is filled into a first joint part 16 in which end faces of adjacent plate glasses 3 oppose each other and a second joint part 17 in which the side end face 14 of the glass rib 2 thicker than a joint width B1 in the first joint part opposes the first joint part side substantially in parallel while it is overlapped on both of adjacent plate glasses. The joint material filled into the second joint part is divided into right and left parts in the direction in which the end faces of adjacent plate glasses oppose each other.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004203979-A (JP)
Title: Azo compound and optical recording medium using the same
Inventor: AOYAMA TOSHIYUKI
IPC: G11B7/249
Filed: 2002-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a new azo compound, and to provide an optical recording medium which uses the azo compound as a pigment, can be applied to both high speed recording and one-fold speed recording, and has excellent light resistance.  <P>SOLUTION: This azo compound represented by the general formula (I) (the ring A is a five to eight member ring; X is a substituted or unsubstituted alkylsulfonylamino group, or the like; C is a carbon atom; R<SB>1</SB>to R<SB>5</SB>are each H, a substituted or unsubstituted alkyl, cyano, or the like). The chelate compound comprises the azo compound and a metal. The chelate compound is used in the recording layer of the optical recording medium. The azo compound and the metal chelate compound are used as the pigments not only for the optical recording medium but also for various uses, especially, all materials such as paper, plastics, fibers and optical filters.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004202647-A (JP)
Title: Fillet rolling processing apparatus
Inventor: KIKUYAMA KAZUAKI
IPC: B24B39/04
Filed: 2002-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an apparatus for performing fillet rolling processing of a journal part and a crank pin part in one process even in a crankshaft large in the total number of the journal parts and the crank pin parts.  <P>SOLUTION: Six units of two kinds of crank pin part rolling mechanisms 2A, 2C, 2E and 2B, 2D, 2F different in arm length L2 and L12 are juxtaposed separately from a journal part rolling mechanism. The rolling mechanisms 2A, 2C, 2E and 2B, 2D, 2F use a position of a hinge pin 25 of support arms 26 and 27 in common. The rolling mechanism 2B, 2D and 2F offset the position of the hinge pin 22 and a position of a hinge pin 29 of arms 19 and 20 and the support arm 27 to the near side of an anti-processing part to an equal position of another one rolling mechanisms 2A, 2C and 2E.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003206618-A (JP)
Title: Flooring material and its laying method
Inventor: CHIBA TOSHIO
IPC: E04F15/00
Filed: 2002-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a floor plate material capable of being easily processed and laid, and capable of providing cost saving and reduction in weight, by realizing firm adhesive fixation of a floor plate material on the surface, which prevents any joint portion from uplifting.  <P>SOLUTION: The flooring material is designed to be laid fixedly on the surface by an adhesive bond, and is composed of a floor material fixed and joined with a cushioning material under the bottom part thereof. Projection pieces having fixing parts and joining parts are fixed integrally with the floor material and the cushioning material by means of fixing parts. A joining part is projected to outside in the horizontal direction from the bottom outer face of the floor material, and arranged partly in the bottom side of the floor material so that the bottom face of the joining part and the bottom face of the cushioning material are in nearly flush with each other after the flooring material is laid fixedly to the surface. Wall thickness of the projecting piece is kept less than wall thickness of cushioning material so that wall thickness of the projecting piece is in match with wall thickness of the cushioning material of the adjoining flooring material when laid on the surface.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004212097-A (JP)
Title: Coating thickness meter and coating thickness measurement method
Inventor: SAI KYOKUYO
IPC: G01B11/06
Filed: 2002-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a coating thickness meter and a coating thickness measurement method for precisely controlling coating thickness by improving the S/N ratio of an electric signal determined by measuring the coating thickness of a thin film during film formation without depending on a measurement wavelength.  <P>SOLUTION: The coating thickness meter A comprises a light source 10; a spectroscope 20, where measurement light is guided from a substrate 1; and a controller 30. The spectroscope 20 comprises a spectral section 21 for dispensing measurement light, and a light reception section having a plurality of photodiodes for photoelectrically converting the luminous flux being dispensed by the spectral section 21 for inducing a light reception current. The controller 30 comprises a means for transmitting a signal for performing a specific number of reception light current output measurements by different exposure time to the spectroscope 20; a means for identifying a measurement value being equal to or less than a saturation output value in measurement values determined by a specific number of light reception current output measurements from the spectroscope 20; and a means for adopting a measurement value by a measurement having a longer exposure time when there are a plurality of measurement values being equal to or less than a saturation output value at a specific measurement wavelength.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004208552-A (JP)
Title: Seedling-raising frame
Inventor: MUTA HIROICHI
IPC: A01G9/20
Filed: 2002-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that the wasteful consumption of heating energy is caused by the heating of the whole ground surface including seedling frame-free ground surfaces in a cultivating facility, the escape of the heat of a heater in the ground under the seedling-raising frame to the ground under passageways, and the poor efficiency of heating under the seedling-raising frame used as a seedling bed, when conventional seedling-raising frames are set at spaces each other to form the passageways for maintenance works, or the like, in a cultivation facility, because the conventional seedling-raising frames are set onto the ground and heaters are disposed underground to raise or cultivate the seedlings separately from the seedling-raising frames.  <P>SOLUTION: This seedling-raising frame provided with a frame for surrounding a seedling-raising region is characterized by burying the lower portion 89 of the frame underground, disposing a heater 90 for heating the ground underground surrounded with the lower portion 89, and disposing the frame upper portion 88 upward projected from the ground surface in a state capable of being separated from the lower portion 89.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004214362-A (JP)
Title: Sealing plate for electrolytic capacitor and manufacturing method of electrolytic capacitor
Inventor: FUJITA YOSHIHIRO
IPC: H01G9/008
Filed: 2002-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sealing plate for an electrolytic capacitor which reduces a stress to the sealing plate or the like upon connecting a capacitor element to an internal lead, and which facilitates caulking work while contriving the dispersion of the internal leads for the capacitor element.  <P>SOLUTION: The sealing plate for the electrolytic capacitor 2 and terminal main bodies 4, 6 are provided while the terminal main body is provided with a plurality of internal terminal units 8, 10, a fixing unit (a flat unit 12), and an external terminal unit 14. The sealing plate for the electrolytic capacitor is formed of an insulating material and is a means for sealing the opening of an encapsulating case, while the terminal main body is penetrated through the sealing plate from the front surface side toward the rear surface side of the plate and is fixed to the sealing plate. The internal terminal unit is formed at a position apart from one surface of the terminal main body and connects the internal lead through caulking. The fixing unit is formed at a position opposed to the internal terminal unit of the other surface unit of the terminal main body and the external terminal unit is formed at a position not opposed to the internal terminal unit or formed in the surface of the fixing unit.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004214420-A (JP)
Title: Method for forming conductive circuit
Inventor: TANAKA TAKASHI
IPC: G06K19/07
Filed: 2002-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To form a conductive circuit without gasifying a conductive metal, and to economically form the conductive circuit.  <P>SOLUTION: A transparent circuit receiving base material 1 as a pattern receiving surface 3 in which one surface has a nonconductivity, and a metallic-film forming sheet 2 having a conductive metallic film 4 on one surface, are superposed so that the receiving surface of the base material 1 and the metallic film 4 of the sheet 2 are opposed mutually. The conductive metal of the metallic film 4 is sprayed to the pattern receiving surface 3 by a laser by a laser-beam irradiation from the reverse side to the receiving surface 3 of the base material 1, and the conductive circuit is formed to the receiving surface 3.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004173672-A (JP)
Title: Ridger
Inventor: SOMA TOSHIMITSU
IPC: A01B35/00
Filed: 2002-11-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a ridger mounted on a tractor, capable of conducting backward ridging operation, by turning a ridging part around, when an unplowed area of an existing ridge is formed into a new ridge.  <P>SOLUTION: This ridger has a machine frame equipped with a three point link joint for joining the frame to a tractor, a support plate positioned on a rear part of the machine frame, a support frame attached to one side of a gear box having power input shafts of which the each can be joined to a power output shaft of the tractor and is positioned longitudinally symmetrically to the other, a plowing unit and a ridging unit at an end part of the support frame, and turn shafts at an upper part and a lower part of the gear box, so that the ridger is turned in the right and the left directions with respect to the support plate of the machine frame. Further, the ridger is equipped with a power on-off mechanism which makes each of the power input shafts joined to and released from the power output shaft of the tractor on such positions that the gear box of the ridger originally exists and locates after it is turned, and with a turn driving means attached to the turn shafts of the gear box and the support plate, and the machine body is worked to be light-weight as the whole, so that turn driving of the ridger is made to be remotely controllable.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003535077-A (JP)
Title: インドール誘導体を製造する方法、および該方法の中間体
IPC: C07D209/24
Filed: 2001-05-17
Abstract: (57)【要約】
式（１）〔式中、Ｒ 1 は、Ｃ 1 〜Ｃ 6 アルキルであり、Ｘは、水素、炭化水素基または陽イオンである〕で示される化合物を製造する方法であって、式（２）〔式中、Ｒ 1 は、上記に定義されたとおりであり、Ｒ 2 は、水素または炭化水素基である〕で示される化合物を還元し、得られる式（３）で示される化合物を、式：−ＣＨ 2 −ＣＯＯＲ 3 〔式中、Ｒ 3 は、Ｒ 2 について上記した意味を有する〕で示される基を導入する化合物と反応させ、得られる式（４）で示される化合物を還元し、場合により加水分解する方法。
Patent JP-2004501598-A (JP)
Title: 直流モータの駆動軸の回転位置を特定する方法
IPC: H02P7/06
Filed: 2001-06-01
Abstract: 【課題】この発明は、電機子電流信号に含まれる電流のリップルを評価することにより直流モータの駆動軸の回転位置を特定する方法に関する。 【解決手段】この発明にもとづく方法は、直流モータと評価回路との間の電気的接続が遮断された場合における直流モータの電機子が接続遮断後に動く間にその駆動軸が動く回転角度を、電機子が接続遮断後に動く間の電流リップルを予測し、その見込み値を計算することにより、近似的に特定することを特徴とする。
Patent JP-2004507287-A (JP)
IPC: A61J1/14
Filed: 2001-06-07
Abstract: An equipment for the management of hospital activities as medical tests and pharmacological treatment in conditions of certainty against the mistaking of patients is described. The equipment comprises a bed unit (1) associated with the bed of each patient, at least one cabinet unit (2) associated with every ward and a computerised tray cart (3) that is movable among said units (1, 2). The computerised tray cart (3) comprises a computer (10) provided with display, a reader (11) of computer data connect with said computer (10) and approachable to the bed of the patient for the reading of computer data and their transfer to said computer (10), a plurality of drawers (14-16) with opening controlled by said computer (10), and a printer (17)controlled (10). The bed unit (1) comprises a display (18) connected with a computer for the visualisation of data relative to the patient. The cabinet unit (2) comprises a computer (22), a reader (23) of computer data connected with said computer (23), containing spaces and drawers (24-27) with opening controlled by said computer (22). The computerised tray cart (3), the bed unit (1) and the cabinet unit (2) are connected to each other by a computer network.
Patent JP-2003535730-A (JP)
Title: タイヤ用シーラーかつ膨張用組成物並びに使用方法
IPC: B29C73/16
Filed: 2001-06-19
Abstract: (57)【要約】
タイヤ用シーラーかつ膨張用組成物並びにそれから作られた製品が記載される。該タイヤ用シーラーかつ膨張用組成物は、シーラント、ゼロのまたはゼロに実質的に近いオゾン枯渇潜在能力を有する非引火性噴射剤、および該非引火性噴射剤の蒸気圧を下げることの可能な１種またはそれ以上の芳香族炭化水素を含む。更に、該タイヤ用シーラーかつ膨張用組成物は、１３０°Ｆ（５４．４℃）において約１８０ｐｓｉｇ（１．２４ＭＰａｇ）未満の蒸気圧を有する。好ましい噴射剤は１，１，１，２−テトラフルオロエタンであるけれども、他のフルオロカーボンもまた用いられ得る。好ましい芳香族炭化水素は、芳香族化合物の混合物であるAROMATIC 150である。該タイヤ用シーラーかつ膨張用組成物は、水性または非水性のどちらかであり得る。開示されたタイヤ用シーラーかつ膨張用組成物は、空気の抜けたタイヤまたは他の膨張可能な物体を膨張させかつパンク傷を封鎖することが可能である。
Patent JP-2004502888-A (JP)
IPC: E04H12/16
Filed: 2001-07-12
Abstract: A method for assembling towers using prestressed concrete segments has holes incorporated through the segments to take tensioning cables. The holes are spaced around the circumference of each segment and align with similar holes in the adjacent segments. To ease the feeding of the tensioning cable the top of each hole has a tapering profile, with the widest aperture at the entry to the hole. The taper is between 10 and 150 deg. and the widest aperture is less than the wall thickness of the segments. The holes are formed by performs fitted into the moulds for the segments.
Patent JP-2004503570-A (JP)
Title: 自己発泡性洗浄用ゲル
IPC: A61K8/60
Filed: 2001-07-13
Abstract: （Ｉ）（ａ）少なくとも１種類のアニオン性界面活性剤、（ｂ）少なくとも１種類の両性界面活性剤、および（ｃ）任意に少なくとも１種類の非イオン性界面活性剤を含む界面活性剤混合物と、（ＩＩ）少なくとも１種類の自己発泡剤とを含む自己発泡性界面活性剤組成物を提供する。この組成物は液晶構造の形をしており、（ａ）：（ｂ）：（ｃ）の比が、界面活性剤を自己発泡剤と混合したときに、ゲルのコンシステンシーが得られるように選択される。この洗浄組成物は入浴またはシャワーに顔面用洗剤またはシャンプーとして有用である。
Patent JP-2004505459-A (JP)
Title: リングの形状の高密度プラズマの生成源とその生成方法
IPC: H05H1/46
Filed: 2001-07-27
Abstract: プラズマでもって基板に処理を行う処理システムは、真空の処理容器１２の中にリングの形状の誘導的に結合されたプラズマを生成するためのアンテナを備えている。この処理システムは、半導体ウエハ基板に被覆またはエッチングを行うのに特に有用である。コイル２０の形式の３次元のアンテナにより、容器１２の中のリングの形状の領域に、特定の物理的要請および処理上の要請に適合することができるプラズマ・パラメータの空間分布を得ることができる。軸に関して対称的である永久磁石組立体３３は、誘電体窓１４の外側に隣接して配置されたアンテナのセグメントのすぐ近くで容器の壁１の中にある誘電体窓１４の内側の近くのリングの形状の領域にプラズマをトラップすることにより、誘導的に結合された高密度のプラズマをリングの形状に集中させることを増強する。
Patent JP-2004507063-A (JP)
Title: 燃料電池アセンブリ用エポキシニトリル絶縁体および密封体
IPC: H01M8/02
Filed: 2001-08-21
Abstract: 燃料電池プレートを絶縁し、かつ密封する方法および材料を開示している。開示している方法は、燃料電池プレートの少なくとも１つの表面に塗膜前駆体を塗布すること、ならびに放射線への露光により塗膜前駆体を硬化させることを含む。開示している塗膜前駆体は、アクリレーテッドオリゴマーおよび光開始剤を含有する塗膜前駆体を含み、それらの塗膜前駆体は、紫外または電子ビーム放射線に応答して重合することができる。他の開示している塗膜前駆体は、赤外線または加熱に応答して重合することができる塗膜前駆体であり、エポキシニトリル樹脂、およびオルガノポリシロキサン樹脂を含む。開示している塗膜前駆体は、例えばスクリーン印刷により、迅速に、かつ正確に燃料電池プレートに塗布することができるので、開示している方法および塗膜前駆体は、燃料電池プレートを絶縁し、かつ密封する従来の方法および設計に優る確実な利点を提供する。
Patent JP-2004519218-A (JP)
Title: 単離ヒトトランスポータータンパク、ヒトトランスポータータンパクをコード化する核酸分子、及びその使用
IPC: C12N1/21
Filed: 2001-09-05
Abstract: 本発明は、本発明にかかるトランスポーターペプチドであるヒトゲノム中の遺伝子によりコード化されるペプチドのアミノ酸配列を提供する。特に本発明は、単離ペプチドと核酸分子、トランスポーターペプチドのオルソログとパラログを特定する方法、及びトランスポーターペプチドの変調剤を特定する方法を提供する。
Patent JP-2004508837-A (JP)
IPC: C12N15/09
Filed: 2001-09-13
Abstract: In a method for performing a hot start polymerase chain reaction, a reaction mixture including a primer, a template molecule, and a buffer-but no polymerase enzyme-is loaded in a reaction channel of a microfluidic device. An electrical current is applied to heat the reaction channel. A polymerase enzyme is delivered into the reaction channel, and the reaction channel is subjected to conditions such that the hot start polymerase chain reaction is performed. In a method for performing a temperature mediated reaction, a first component of the temperature mediated reaction is loaded in a reaction channel of a microfluidic device. An electrical current is applied to heat the reaction channel. A second component of the temperature mediated reaction is delivered into the reaction channel, and the reaction channel is subjected to conditions such that the temperature mediated reaction is performed.
Patent JP-2004514389-A (JP)
IPC: H02M3/335
Filed: 2001-10-16
Abstract: A switched mode power supply includes an input for receiving an input signal voltage, a flyback converter circuit arrangement and an output for delivering a regulated output signal voltage. The switched mode power supply further includes a boost converter arranged to be operatively combined with the flyback converter, and functioning such that the combined converter operates in a boost mode when the input voltage is above a threshold value, and in a flyback mode when the input voltage is below the threshold value.